Question

i need help with these kinds of questions..

Answer 1

first you have to solve the problem on top and bottom using pemdas after solving both top and bottom you get 21 over 1 and then simplify you get 21

Answer 2

(10-(3*2²-23))\(1+10²)-2²*5²=(10-3*4-23)\(1+100-4*25)=
=(10-12-23)\(101-100)=-25.